CVE-2016-9941

CRITICAL

LibVNCServer < 0.9.11 - Heap-Based Buffer Overflow via Crafted FramebufferUpdate Message

Title source: llm
STIX 2.1

Description

Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/95170
Issue Tracking x_refsource_confirm
https://github.com/LibVNC/libvncserver/pull/137
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-3753
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201702-24
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4587-1/

Scores

CVSS v3 9.8
EPSS 0.0373
EPSS Percentile 88.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
libvncserver_project/libvncserver < 0.9.10
Published Dec 31, 2016
Tracked Since Feb 18, 2026